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System Information:

Hardware: Dell Latitude 7400 with Intel UHD 620 graphics

OS: Ubuntu 24.04.3 LTS

Kernel: 6.8

Desktop: GNOME 46

Previous OS: Ubuntu 22.04 LTS (where hardware acceleration worked)

What I expected to happen:
Hardware-accelerated video decoding (VAAPI) should work in all applications 
including web browsers (Microsoft Edge, Chrome, Chromium) and VLC media player, 
as it did in Ubuntu 22.04 LTS.

What actually happened:
After upgrading from Ubuntu 22.04 to 24.04, hardware video acceleration stopped 
working in all Chromium-based browsers (Edge, Chrome) and VLC. Only mpv media 
player retains working VAAPI hardware acceleration.

Steps to reproduce:

Upgrade from Ubuntu 22.04 LTS to Ubuntu 24.04 LTS

Install Microsoft Edge or Chrome browser

Enable VAAPI flags: --enable-features=VaapiVideoDecoder --use-gl=desktop
--ignore-gpu-blocklist

Navigate to edge://gpu or chrome://gpu

Play YouTube video and check DevTools Media tab

Observe: Video Decoder shows "FFmpegVideoDecoder" instead of
"VDAVideoDecoder"

Diagnostic information:

vainfo shows Intel iHD driver loaded correctly

intel_gpu_top shows Video engine at 3-15% when playing video in mpv
(working)

intel_gpu_top shows 0% Video engine usage when playing in browsers (not
working)

Running LIBVA_MESSAGING_LEVEL=1 mpv video.mkv confirms VAAPI working

VLC package from Ubuntu repository has no VAAPI support compiled in

** Affects: ubuntu
     Importance: Undecided
         Status: New


** Tags: acceleration hardware
-- 
Hardware video acceleration (VAAPI) broken in Chromium-based browsers, Firefox, 
VLC after upgrade to Ubuntu 24.04
https://bugs.launchpad.net/bugs/2129166
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